Operation Manual

33
De Dietrich Gas 310/610 ECO
Field wiring examples (Additional wiring examples are supplied separately)
Example 1, local modulation
Typical Gas310/610 boiler field wiring
• On/Off control or jumper – modulates according to internal set-point (Connect X29.9 &
X29.10)
• LWCO & External Hi-Limit fault attenuation on control, connect devices in series on X29.1 &
X29.2 – Generates fault code flashing numbers   requires manual reset of safety
devices first then reset of the boiler control.  = Code display &  = display
• Optional flow switch application (Start interlock only)
• Optional LWCO & Safety Hi limit – can be wired on X29.5 & X29.6 if power failures are
common, note boiler display will not display fault code, but a shut-off code  (Flashing
dots)
Earth ground
1
Main fuse disconnect
2
Service switch
3
External Hi Limit
4
External LWCO device
5
External Flow Switch
(optional not required)
LEGEND:
L
N
Line 120v
Neutral
L
(NO)
L
(NC)
C
N
o
N
c
Output 120v (normally closed)
Output 120v (normally open)
Common dry contact
Normally open dry contact
Normally closed dry contact